Sun Valley’s annual gathering of billionaires is happening this week, and NBCU’s Dylan Byers is covering it. Byers talks to Peter Kafka about the tech and media leaders there, and what to cover when there’s not a lot to cover.The main conversation in this episode is with Erin Lee Carr, whose most recent film is ‘I Love You, Now Die,’ a documentary about the Michelle Carter texting suicide case. She talks in depth about the painstaking process of making this doc, from gathering footage in the courtroom to talking to the victim’s families. And …. The best advice from her father, the late, great David Carr.